Questions as text
Q1 · Carbon is used in the extraction of some metals from their ores because 1 carbon forms… 0654/11 May/June 2005
18 Carbon is used in the extraction of some metals from their ores because 1 carbon forms strong alloys with metals, 2 carbon reacts with oxygen in the ore. Which of these statements are correct? A 1 only B 2 only C both 1 and 2 D neither 1 or 2
1 marks
Answer: B
This question in 0654/11 May/June 2005
Q2 · How is carbon (coke) used in the extraction of iron from iron oxide? 0654/11 May/June 2008
20 How is carbon (coke) used in the extraction of iron from iron oxide? A as an anode B as a cathode C as an oxidising agent D as a reducing agent
1 marks
Answer: D
This question in 0654/11 May/June 2008
Q3 · The table shows information about some minerals in rocks 0654/11 Oct/Nov 2008
19 The table shows information about some minerals in rocks. name chemical formula bauxite Al2O3 galena PbS hematite Fe2O3 rutile TiO2 From which two minerals can a transition element be extracted? A bauxite and galena B bauxite and hematite C galena and rutile D hematite and rutile
1 marks
Answer: D
This question in 0654/11 Oct/Nov 2008
Q4 · Which substances can be obtained from rocks? 0654/11 Oct/Nov 2008
20 Which substances can be obtained from rocks? A ethene and carbohydrates B ethene and metals C lime and carbohydrates D lime and metals
1 marks
Answer: D
This question in 0654/11 Oct/Nov 2008
Q5 · Why is carbon used to extract some metals from their oxide ores? 0654/11 Oct/Nov 2009
18 Why is carbon used to extract some metals from their oxide ores? A It oxidises the ore by removing oxygen. B It prevents the oxygen of the air reacting with the ore. C It reacts with impurities in the ore. D It reduces the ore by removing oxygen.
1 marks
Answer: D
This question in 0654/11 Oct/Nov 2009
Q6 · Carbon is used in the extraction of some metals from their ores because 1 carbon forms… 0654/11 Oct/Nov 2010
19 Carbon is used in the extraction of some metals from their ores because 1 carbon forms strong alloys with metals, 2 carbon reacts with oxygen in the ore. Which of these statements are correct? A 1 only B 2 only C both 1 and 2 D neither 1 nor 2
1 marks
Answer: B
This question in 0654/11 Oct/Nov 2010
Q7 · Carbon is used in the extraction of some metals from their ores because 1 carbon forms… 0654/12 Oct/Nov 2010
17 Carbon is used in the extraction of some metals from their ores because 1 carbon forms strong alloys with metals, 2 carbon reacts with oxygen in the ore. Which of these statements are correct? A 1 only B 2 only C both 1 and 2 D neither 1 nor 2
1 marks
Answer: B
This question in 0654/12 Oct/Nov 2010
Q8 · Carbon is used in the extraction of some metals from their ores because 1 carbon forms… 0654/13 Oct/Nov 2010
21 Carbon is used in the extraction of some metals from their ores because 1 carbon forms strong alloys with metals, 2 carbon reacts with oxygen in the ore. Which of these statements are correct? A 1 only B 2 only C both 1 and 2 D neither 1 nor 2
1 marks
Answer: B
This question in 0654/13 Oct/Nov 2010
Q9 · How is carbon (coke) used in the extraction of iron from iron oxide? 0654/11 May/June 2011
19 How is carbon (coke) used in the extraction of iron from iron oxide? A as an anode B as a cathode C as an oxidising agent D as a reducing agent
1 marks
Answer: D
This question in 0654/11 May/June 2011
Q10 · How is carbon (coke) used in the extraction of iron from iron oxide? 0654/12 May/June 2011
20 How is carbon (coke) used in the extraction of iron from iron oxide? A as an anode B as a cathode C as an oxidising agent D as a reducing agent
1 marks
Answer: D
This question in 0654/12 May/June 2011
Q11 · How is carbon (coke) used in the extraction of iron from iron oxide? 0654/13 May/June 2011
20 How is carbon (coke) used in the extraction of iron from iron oxide? A as an anode B as a cathode C as an oxidising agent D as a reducing agent
1 marks
Answer: D
This question in 0654/13 May/June 2011
Q12 · The diagram shows a metal being extracted from its powdered ore using carbon 0654/11 Oct/Nov 2011
19 The diagram shows a metal being extracted from its powdered ore using carbon. a mixture of carbon and powdered ore What happens to the ore in this reaction? A It burns. B It decomposes. C It is oxidised. D It is reduced.
1 marks
Answer: D
This question in 0654/11 Oct/Nov 2011
Q13 · The diagram shows a metal being extracted from its powdered ore using carbon 0654/12 Oct/Nov 2011
18 The diagram shows a metal being extracted from its powdered ore using carbon. a mixture of carbon and powdered ore What happens to the ore in this reaction? A It burns. B It decomposes. C It is oxidised. D It is reduced.
1 marks
Answer: D
This question in 0654/12 Oct/Nov 2011
Q14 · The diagram shows a metal being extracted from its powdered ore using carbon 0654/13 Oct/Nov 2011
20 The diagram shows a metal being extracted from its powdered ore using carbon. a mixture of carbon and powdered ore What happens to the ore in this reaction? A It burns. B It decomposes. C It is oxidised. D It is reduced.
1 marks
Answer: D
This question in 0654/13 Oct/Nov 2011
Q15 · Copper is obtained from copper oxide by heating with non-metal X 0654/11 May/June 2012
23 Copper is obtained from copper oxide by heating with non-metal X. copper oxide and non-metal X crucible heat Which shows the identity of non-metal X and the type of reaction non-metal X undergoes? identity of X type of reaction A carbon oxidation B carbon reduction C oxygen oxidation D oxygen reduction
1 marks
Answer: A
This question in 0654/11 May/June 2012
Q16 · A metal oxide is mixed with carbon and heated as shown 0654/11 May/June 2013
23 A metal oxide is mixed with carbon and heated as shown. carbon and metal oxide heat limewater The limewater turns cloudy. Which term describes what happens to the metal oxide? A combustion B neutralisation C oxidation D reduction
1 marks
Answer: D
This question in 0654/11 May/June 2013
Q17 · A metal oxide is mixed with carbon and heated as shown 0654/12 May/June 2013
23 A metal oxide is mixed with carbon and heated as shown. carbon and metal oxide heat limewater The limewater turns cloudy. Which term describes what happens to the metal oxide? A combustion B neutralisation C oxidation D reduction
1 marks
Answer: D
This question in 0654/12 May/June 2013
Q18 · A metal oxide is mixed with carbon and heated as shown 0654/13 May/June 2013
22 A metal oxide is mixed with carbon and heated as shown. carbon and metal oxide heat limewater The limewater turns cloudy. Which term describes what happens to the metal oxide? A combustion B neutralisation C oxidation D reduction
1 marks
Answer: D
This question in 0654/13 May/June 2013
Q19 · Iron is produced in the blast furnace 0654/12 May/June 2014
21 Iron is produced in the blast furnace. One of the reactions involved is shown below: Fe2O3 + 3CO → 2Fe + 3CO2 Which statement is correct? A Iron(III) oxide and carbon monoxide are both oxidised. B Iron(III) oxide and carbon monoxide are both reduced. C Iron(III) oxide is oxidised and carbon monoxide is reduced. D Iron(III) oxide is reduced and carbon monoxide is oxidised.
1 marks
Answer: D
This question in 0654/12 May/June 2014
Q20 · Metal X is extracted from its oxide by heating with carbon 0654/11 Oct/Nov 2014
20 Metal X is extracted from its oxide by heating with carbon. The oxide of X reacts with hydrochloric acid. Which row shows the type of oxide and the type of reaction that occurs to the oxide when it is heated with carbon? type of oxide type of reaction A acidic oxidation B acidic reduction C basic oxidation D basic reduction
1 marks
Answer: D
This question in 0654/11 Oct/Nov 2014
Q21 · Metal X is extracted from its oxide by heating with carbon 0654/12 Oct/Nov 2014
19 Metal X is extracted from its oxide by heating with carbon. The oxide of X reacts with hydrochloric acid. Which row shows the type of oxide and the type of reaction that occurs to the oxide when it is heated with carbon? type of oxide type of reaction A acidic oxidation B acidic reduction C basic oxidation D basic reduction
1 marks
Answer: D
This question in 0654/12 Oct/Nov 2014
Q22 · Pure iron can be extracted from iron oxide using carbon monoxide 0654/12 May/June 2015
18 Pure iron can be extracted from iron oxide using carbon monoxide. The equation for the reaction is iron oxide + carbon monoxide → iron + carbon dioxide Which row shows what happens to the iron oxide and carbon monoxide? carbon iron oxide monoxide A oxidised oxidised B oxidised reduced C reduced oxidised D reduced reduced
1 marks
Answer: C
This question in 0654/12 May/June 2015
Q23 · Metal X is extracted from its ore by heating the ore with carbon 0654/12 Oct/Nov 2015
25 Metal X is extracted from its ore by heating the ore with carbon. Which statement explains why carbon is used? A Carbon is a non-metal. B Carbon is more reactive than X. C Carbon reacts with oxygen in the air. D X is more reactive than carbon.
1 marks
Answer: B
This question in 0654/12 Oct/Nov 2015
Q24 · Copper is extracted in process X by heating copper oxide with substance Y 0654/11 May/June 2016
24 Copper is extracted in process X by heating copper oxide with substance Y. What is process X and what is substance Y? process X substance Y A oxidation carbon B oxidation limestone C reduction carbon D reduction limestone
1 marks
Answer: C
This question in 0654/11 May/June 2016
Q25 · Which substance is used to reduce lead oxide to lead? 0654/13 May/June 2016
22 Which substance is used to reduce lead oxide to lead? A carbon B carbon dioxide C nitrogen D oxygen
1 marks
Answer: A
This question in 0654/13 May/June 2016
Q26 · Which element is used to extract some metals from their ores? 0654/11 May/June 2017
24 Which element is used to extract some metals from their ores? A carbon B copper C iron D nitrogen
1 marks
Answer: A
This question in 0654/11 May/June 2017
Q27 · Which metal is extracted from its ore by heating with carbon? 0654/12 May/June 2017
24 Which metal is extracted from its ore by heating with carbon? A copper B magnesium C potassium D sodium
1 marks
Answer: A
This question in 0654/12 May/June 2017
Q28 · Which substance is used to extract lead from its ore? 0654/12 Oct/Nov 2018
23 Which substance is used to extract lead from its ore? A carbon B carbon dioxide C nitrogen D oxygen
1 marks
Answer: A
This question in 0654/12 Oct/Nov 2018
Q29 · Which statements describe carbon? 0654/11 May/June 2021
22 Which statements describe carbon? 1 It forms basic oxides. 2 It is used as an electrode in electrolysis. 3 It is used to extract iron from its ore. A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only
1 marks
Answer: D
This question in 0654/11 May/June 2021
Q30 · Bauxite is the main ore of aluminium 0654/12 May/June 2021
22 Bauxite is the main ore of aluminium. Which method is used to extract pure aluminium from bauxite? A fractional distillation B electrolysis C neutralisation D thermal decomposition
1 marks
Answer: B
This question in 0654/12 May/June 2021
Q31 · Bauxite is the main ore of aluminium 0654/13 May/June 2021
22 Bauxite is the main ore of aluminium. Which method is used to extract pure aluminium from bauxite? A fractional distillation B electrolysis C neutralisation D thermal decomposition
1 marks
Answer: B
This question in 0654/13 May/June 2021
Q32 · Which metal is extracted from its ore by heating with carbon? 0654/12 Feb/March 2022
23 Which metal is extracted from its ore by heating with carbon? A copper B magnesium C potassium D sodium
1 marks
Answer: A
This question in 0654/12 Feb/March 2022
Q33 · The diagram shows a metal being extracted from its powdered ore using carbon 0654/11 May/June 2022
24 The diagram shows a metal being extracted from its powdered ore using carbon. a mixture of carbon and powdered ore What happens to the ore in this reaction? A It burns. B It decomposes. C It is oxidised. D It is reduced.
1 marks
Answer: D
This question in 0654/11 May/June 2022
Q34 · The diagram shows a metal being extracted from its powdered ore using carbon 0654/12 May/June 2022
24 The diagram shows a metal being extracted from its powdered ore using carbon. a mixture of carbon and powdered ore What happens to the ore in this reaction? A It burns. B It decomposes. C It is oxidised. D It is reduced.
1 marks
Answer: D
This question in 0654/12 May/June 2022
Q35 · The diagram shows a metal being extracted from its powdered ore using carbon 0654/13 May/June 2022
24 The diagram shows a metal being extracted from its powdered ore using carbon. a mixture of carbon and powdered ore What happens to the ore in this reaction? A It burns. B It decomposes. C It is oxidised. D It is reduced.
1 marks
Answer: D
This question in 0654/13 May/June 2022
Q36 · Metal X is extracted from its ore by heating the ore with carbon 0654/11 Oct/Nov 2022
24 Metal X is extracted from its ore by heating the ore with carbon. Which statement explains why carbon is used? A Carbon is a non-metal. B Carbon is more reactive than X. C Carbon reacts with oxygen in the air. D Carbon is less reactive than X.
1 marks
Answer: B
This question in 0654/11 Oct/Nov 2022
Q37 · Metal X is extracted from its ore by heating the ore with carbon 0654/12 Oct/Nov 2022
24 Metal X is extracted from its ore by heating the ore with carbon. Which statement explains why carbon is used? A Carbon is a non-metal. B Carbon is more reactive than X. C Carbon reacts with oxygen in the air. D Carbon is less reactive than X.
1 marks
Answer: B
This question in 0654/12 Oct/Nov 2022
Q38 · Metal X is extracted from its ore by heating the ore with carbon 0654/13 Oct/Nov 2022
24 Metal X is extracted from its ore by heating the ore with carbon. Which statement explains why carbon is used? A Carbon is a non-metal. B Carbon is more reactive than X. C Carbon reacts with oxygen in the air. D Carbon is less reactive than X.
1 marks
Answer: B
This question in 0654/13 Oct/Nov 2022
Q39 · Iron is extracted from its ore in the blast furnace 0654/12 May/June 2023
20 Iron is extracted from its ore in the blast furnace. One of the reactions involved is shown. Fe2O3 + 3CO 2Fe + 3CO2 Which statement is correct? A Iron(III) oxide and carbon monoxide are both oxidised. B Iron(III) oxide and carbon monoxide are both reduced. C Iron(III) oxide is oxidised and carbon monoxide is reduced. D Iron(III) oxide is reduced and carbon monoxide is oxidised.
1 marks
Answer: D
This question in 0654/12 May/June 2023
Q40 · Iron is extracted from its ore in the blast furnace 0654/13 May/June 2023
20 Iron is extracted from its ore in the blast furnace. One of the reactions involved is shown. Fe2O3 + 3CO → 2Fe + 3CO2 Which statement is correct? A Iron(III) oxide and carbon monoxide are both oxidised. B Iron(III) oxide and carbon monoxide are both reduced. C Iron(III) oxide is oxidised and carbon monoxide is reduced. D Iron(III) oxide is reduced and carbon monoxide is oxidised.
1 marks
Answer: D
This question in 0654/13 May/June 2023
Q41 · Which metal is extracted from its ore by electrolysis? 0654/11 Oct/Nov 2023
24 Which metal is extracted from its ore by electrolysis? A aluminium B copper C gold D iron
1 marks
Answer: A
This question in 0654/11 Oct/Nov 2023
Q42 · To extract a metal from its ore, a metal oxide is mixed with carbon and heated as shown 0654/12 Oct/Nov 2023
18 To extract a metal from its ore, a metal oxide is mixed with carbon and heated as shown. metal oxide and carbon heat limewater The limewater turns cloudy. Which term describes what happens to the metal oxide? A combustion B neutralisation C oxidation D reduction
1 marks
Answer: D
This question in 0654/12 Oct/Nov 2023
Q43 · Aluminium is a … 1 … resource 0654/12 Oct/Nov 2023
23 Aluminium is a … 1 … resource. It is found in the ore bauxite where it is present in aluminium oxide. Pure aluminium is extracted from aluminium oxide by … 2 … . Which words complete gaps 1 and 2? 1 2 A finite electrolysis B finite heating with carbon C renewable electrolysis D renewable heating with carbon
1 marks
Answer: A
This question in 0654/12 Oct/Nov 2023
Q44 · Which statement explains why carbon is used in the extraction of copper from its ore? 0654/13 Oct/Nov 2023
24 Which statement explains why carbon is used in the extraction of copper from its ore? A It is in Group IV of the Periodic Table. B It is more reactive than copper. C It is a non-metal. D It forms a giant covalent molecule.
1 marks
Answer: B
This question in 0654/13 Oct/Nov 2023
Q45 · Which statement about aluminium is correct? 0654/12 Feb/March 2024
24 Which statement about aluminium is correct? A It is extracted from bauxite by heating with carbon. B It is extracted from bauxite by electrolysis. C It is extracted from hematite by heating with carbon. D It is extracted from hematite by electrolysis.
1 marks
Answer: B
This question in 0654/12 Feb/March 2024
Q46 · How is iron oxide converted to iron? 0654/12 Oct/Nov 2024
23 How is iron oxide converted to iron? A oxidation using water B reaction with hydrochloric acid C reaction with sodium hydroxide D reduction using carbon
1 marks
Answer: D
This question in 0654/12 Oct/Nov 2024
Q47 · How is iron oxide converted to iron? 0654/13 Oct/Nov 2024
23 How is iron oxide converted to iron? A oxidation using water B reaction with hydrochloric acid C reaction with sodium hydroxide D reduction using carbon
1 marks
Answer: D
This question in 0654/13 Oct/Nov 2024
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